WorksheetsMB2 10th Grade DT 1
Total questions: 8
Worksheet time: 26mins
What does the electron configuration of an element describe?
The number of protons in the nucleus
The distribution of electrons in atomic orbitals
The number of neutrons in the nucleus
The arrangement of atoms in a molecule
Which subshell can accommodate a maximum of 10 electrons?
s subshell
p subshell
d subshell
f subshell
What is the electron configuration of sodium?
1s22s22p63s1
1s22s22p6
[Ne]3s1
[He]2s22p6
Which principle states that electrons occupy lower energy orbitals before higher energy orbitals?
Aufbau principle
Pauli exclusion principle
Hund's rule
Bohr's principle
What is the electron configuration of oxygen?
1s2 2s2 2p4
1s22s22p6
[Ne]3s23p5
[Ar]3d104s24p6
What is the maximum number of electrons that can be accommodated in the d subshell?
2
6
10
14
What is the electron configuration of chlorine?
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p4
[Ne] 3s2 3p5
[Ar] 3d10 4s2 4p6
Which principle states that every orbital in a subshell is singly occupied before a second electron is filled in an orbital?
Aufbau principle
Pauli exclusion principle
Hund's rule
Bohr's principle
